Fix “Magnify” functionality broken from Vision Settings.

Root cause: Settings items are removed from magnification, so can not call its API in SUW. Will lead to NPE.

Bug: 149071325
Test: Manual Test
Change-Id: Icc75758ddbf330fa6b68d39699a473ac94f97fa3

src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragmentForSetupWizard.java

@@ -18,7 +18,6 @@ package com.android.settings.accessibility;
 
 import android.app.settings.SettingsEnums;
 import android.os.Bundle;
-import android.view.View;
 
 public class ToggleScreenMagnificationPreferenceFragmentForSetupWizard
         extends ToggleScreenMagnificationPreferenceFragment {
@@ -42,12 +41,4 @@ public class ToggleScreenMagnificationPreferenceFragmentForSetupWizard
         }
         super.onStop();
     }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-
-        // Hide the setting from the vision settings.
-        mSettingsPreference.setVisible(false);
-    }
 }